SPLIT-PLOT ANALYSIS OF YAM TYPE - YOURNAME 1 THE DATA AS SAS SEES IT 21:02 Monday, December 5, 2005 NOTE THAT SAS USES THE `PROC FORMAT' NAMES AND NOT THE NAMES AS CODED. Obs Yamtype Field Waterlev yy 1 New_Improved_Yam Field1 Dry 120 2 New_Improved_Yam Field1 Medium 147 3 New_Improved_Yam Field1 Wet 140 4 New_Improved_Yam Field2 Dry 122 5 New_Improved_Yam Field2 Medium 145 6 New_Improved_Yam Field2 Wet 157 7 New_Improved_Yam Field3 Dry 125 8 New_Improved_Yam Field3 Medium 160 9 New_Improved_Yam Field3 Wet 135 10 New_Improved_Yam Field4 Dry 127 11 New_Improved_Yam Field4 Medium 144 12 New_Improved_Yam Field4 Wet 150 13 New_Improved_Yam Field5 Dry 134 14 New_Improved_Yam Field5 Medium 155 15 New_Improved_Yam Field5 Wet 165 16 Standard_Yam Field1 Dry 131 17 Standard_Yam Field1 Medium 141 18 Standard_Yam Field1 Wet 136 19 Standard_Yam Field2 Dry 140 20 Standard_Yam Field2 Medium 129 21 Standard_Yam Field2 Wet 139 22 Standard_Yam Field3 Dry 139 23 Standard_Yam Field3 Medium 134 24 Standard_Yam Field3 Wet 138 25 Standard_Yam Field4 Dry 136 26 Standard_Yam Field4 Medium 140 27 Standard_Yam Field4 Wet 136 28 Standard_Yam Field5 Dry 132 29 Standard_Yam Field5 Medium 133 30 Standard_Yam Field5 Wet 137 SPLIT-PLOT ANALYSIS OF YAM TYPE - YOURNAME 2 SPLIT-PLOT ANALYSIS OF YAM TYPE 21:02 Monday, December 5, 2005 THE YAM-TYPE MAIN EFFECT IS SIGNIFICANT, BUT THIS IS DWARFED BY THE YAMTYPE*WATERLEVEL INTERACTION THIS SUGGESTS THAT THE YAM-TYPE MAIN EFFECT MAY TURN OUT TO BE AN ARTIFACT OF THE EXPERIMENTAL DESIGN The GLM Procedure Class Level Information Class Levels Values Yamtype 2 New_Improved_Yam Standard_Yam Waterlev 3 Dry Medium Wet Field 5 Field1 Field2 Field3 Field4 Field5 Number of Observations Read 30 Number of Observations Used 30 SPLIT-PLOT ANALYSIS OF YAM TYPE - YOURNAME 3 SPLIT-PLOT ANALYSIS OF YAM TYPE 21:02 Monday, December 5, 2005 THE YAM-TYPE MAIN EFFECT IS SIGNIFICANT, BUT THIS IS DWARFED BY THE YAMTYPE*WATERLEVEL INTERACTION THIS SUGGESTS THAT THE YAM-TYPE MAIN EFFECT MAY TURN OUT TO BE AN ARTIFACT OF THE EXPERIMENTAL DESIGN The GLM Procedure Dependent Variable: yy Sum of Source DF Squares Mean Square F Value Pr > F Model 13 2626.833333 202.064103 4.90 0.0018 Error 16 659.866667 41.241667 Corrected Total 29 3286.700000 R-Square Coeff Var Root MSE yy Mean 0.799231 4.623447 6.421968 138.9000 Source DF Type I SS Mean Square F Value Pr > F Yamtype 1 240.833333 240.833333 5.84 0.0280 Waterlev 2 1034.600000 517.300000 12.54 0.0005 Field 4 142.866667 35.716667 0.87 0.5053 Yamtype*Waterlev 2 928.866667 464.433333 11.26 0.0009 Yamtype*Field 4 279.666667 69.916667 1.70 0.2002 Source DF Type III SS Mean Square F Value Pr > F Yamtype 1 240.833333 240.833333 5.84 0.0280 Waterlev 2 1034.600000 517.300000 12.54 0.0005 Field 4 142.866667 35.716667 0.87 0.5053 Yamtype*Waterlev 2 928.866667 464.433333 11.26 0.0009 Yamtype*Field 4 279.666667 69.916667 1.70 0.2002 SPLIT-PLOT ANALYSIS OF YAM TYPE - YOURNAME 4 SPLIT-PLOT ANALYSIS OF YAM TYPE 21:02 Monday, December 5, 2005 THE YAM-TYPE MAIN EFFECT IS SIGNIFICANT, BUT THIS IS DWARFED BY THE YAMTYPE*WATERLEVEL INTERACTION THIS SUGGESTS THAT THE YAM-TYPE MAIN EFFECT MAY TURN OUT TO BE AN ARTIFACT OF THE EXPERIMENTAL DESIGN The GLM Procedure Duncan's Multiple Range Test for yy NOTE: This test controls the Type I comparisonwise error rate, not the experimentwise error rate. Alpha 0.05 Error Degrees of Freedom 16 Error Mean Square 41.24167 Number of Means 2 Critical Range 4.971 Means with the same letter are not significantly different. D u n c a n G r o u p i n g Mean N Yamtype A 141.733 15 New_Improved_Yam B 136.067 15 Standard_Yam SPLIT-PLOT ANALYSIS OF YAM TYPE - YOURNAME 5 SPLIT-PLOT ANALYSIS OF YAM TYPE 21:02 Monday, December 5, 2005 THE YAM-TYPE MAIN EFFECT IS SIGNIFICANT, BUT THIS IS DWARFED BY THE YAMTYPE*WATERLEVEL INTERACTION THIS SUGGESTS THAT THE YAM-TYPE MAIN EFFECT MAY TURN OUT TO BE AN ARTIFACT OF THE EXPERIMENTAL DESIGN The GLM Procedure Duncan's Multiple Range Test for yy NOTE: This test controls the Type I comparisonwise error rate, not the experimentwise error rate. Alpha 0.05 Error Degrees of Freedom 16 Error Mean Square 41.24167 Number of Means 2 3 Critical Range 6.088 6.384 Means with the same letter are not significantly different. D u n c a n G r o u p i n g Mean N Waterlev A 143.300 10 Wet A A 142.800 10 Medium B 130.600 10 Dry SPLIT-PLOT ANALYSIS OF YAM TYPE - YOURNAME 6 SPLIT-PLOT ANALYSIS OF YAM TYPE 21:02 Monday, December 5, 2005 THE YAM-TYPE MAIN EFFECT IS SIGNIFICANT, BUT THIS IS DWARFED BY THE YAMTYPE*WATERLEVEL INTERACTION THIS SUGGESTS THAT THE YAM-TYPE MAIN EFFECT MAY TURN OUT TO BE AN ARTIFACT OF THE EXPERIMENTAL DESIGN The GLM Procedure Duncan's Multiple Range Test for yy NOTE: This test controls the Type I comparisonwise error rate, not the experimentwise error rate. Alpha 0.05 Error Degrees of Freedom 16 Error Mean Square 41.24167 Number of Means 2 3 4 5 Critical Range 7.860 8.242 8.481 8.645 Means with the same letter are not significantly different. D u n c a n G r o u p i n g Mean N Field A 142.667 6 Field5 A A 138.833 6 Field4 A A 138.667 6 Field2 A A 138.500 6 Field3 A A 135.833 6 Field1 SPLIT-PLOT ANALYSIS OF YAM TYPE - YOURNAME 7 SPLIT-PLOT ANALYSIS OF YAM TYPE 21:02 Monday, December 5, 2005 THE YAM-TYPE MAIN EFFECT IS SIGNIFICANT, BUT THIS IS DWARFED BY THE YAMTYPE*WATERLEVEL INTERACTION THIS SUGGESTS THAT THE YAM-TYPE MAIN EFFECT MAY TURN OUT TO BE AN ARTIFACT OF THE EXPERIMENTAL DESIGN Plot of MeanYield*Waterlev. Symbol is value of Yamtype. MeanYield | | | 150 + N | N | | | 145 + | | | | 140 + | | | S |S 135 + S | | | | 130 + | | | |N 125 + | -+------------------------------+------------------------------+- Dry Medium Wet Waterlev SPLIT-PLOT ANALYSIS OF YAM TYPE - YOURNAME 8 SPLIT-PLOT ANALYSIS OF YAM TYPE 21:02 Monday, December 5, 2005 THE YAM-TYPE MAIN EFFECT IS SIGNIFICANT, BUT THIS IS DWARFED BY THE YAMTYPE*WATERLEVEL INTERACTION THIS SUGGESTS THAT THE YAM-TYPE MAIN EFFECT MAY TURN OUT TO BE AN ARTIFACT OF THE EXPERIMENTAL DESIGN Plot of MeanYield*Field. Symbol is value of Yamtype. MeanYield | | | 155 + | | | N 150 + | | | 145 + | | | N 140 + N N | | S S | N S 135 + | S | | 130 + | ---+-----------+-----------+-----------+-----------+-- Field1 Field2 Field3 Field4 Field5 Field NOTE: 1 obs hidden.